Check out the sound setup
or
Go
to 'Start' and then go to control panel. Select the 'Sounds, Speech and Audio
devices' after that select the 'Audio' tab. Pull down the list below 'Sound
Playback' and ensure that your sound card is selected as the default. Now, Select
the 'Advanced' button in the 'Sound playback' tab and chose the right speakers
for your setup.
or
Go
to 'Start' and then go to control panel. Select the 'Sounds, Speech and Audio
devices' after that select the 'Audio' tab. Pull down the list below 'Sound
Playback' and ensure that your sound card is selected as the default. Now, Select
the 'Advanced' button in the 'Sound playback' tab and chose the right speakers
for your setup.